MCQ – 89115

Question

A 30-year-old woman complains of impaired speech and frequent aspiration of food. Physical examination reveals diplopia and drooping eyelids. A mediastinal mass is removed and diagnosed as thymoma. The symptoms of muscle weakness in this patient are caused by antibodies directed against which of the following cellular components?

A. Acetylcholine receptor

B.

Calcium channel

C.

Desmoglein-3

D.

Rheumatoid factor

Show Answer

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